<template>
  <div>
    <div style="margin: 10px 0">
      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>
      <!--          <el-input style="width: 200px" placeholder="请输入邮箱" suffix-icon="el-icon-message" class="ml-5"></el-input>-->
      <!--          <el-input style="width: 200px" placeholder="请输入地址" suffix-icon="el-icon-position" class="ml-5"></el-input>-->
      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
      <el-button class="ml-5" type="warning" @click="reset">重置</el-button>
    </div>
    <div style="margin: 10px 0">
      <el-upload :action="url + '/file/upload'" :show-file-list="false" :on-success="handleFileUploadSuccess" style="display: inline-block">
        <el-button class="ml-5" type="primary">上传文件<i class="el-icon-upload2"></i></el-button>
      </el-upload>
      <el-popconfirm
          class="ml-5"
          confirm-button-text='确定'
          cancel-button-text='我再想想'
          icon="el-icon-info"
          icon-color="red"
          title="您确定批量删除么"
          @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
    </div>
    <el-table :data="tableData" border stripe header-cell-class-name="headerbg" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="ID" width="80"></el-table-column>
      <el-table-column prop="name" label="文件名称"></el-table-column>
      <el-table-column prop="type" label="文件类型"></el-table-column>
      <el-table-column prop="size" label="文件大小(kb)"></el-table-column>
      <el-table-column label="下载">
        <template slot-scope="scope">
          <el-button type="primary" @click="download(scope.row.url)">下载</el-button>
        </template>
      </el-table-column>
      <el-table-column label="启用">
        <template slot-scope="scope">
          <el-switch v-model="scope.row.enable" active-color="#13ce66" inactive-color="#ccc" @change="changeEnable(scope.row)"></el-switch>
        </template>
      </el-table-column>
      <el-table-column label="操作" width="200" aligin="center">
        <template slot-scope="scope">
          <el-button type="success" @click="handleEdit(scope.row)">编辑 <i class="el-icon-edit"></i></el-button>
          <el-popconfirm
              class="ml-5"
              confirm-button-text='确定'
              cancel-button-text='我再想想'
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除么"
              @confirm="handleDel(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除 <i class="el-icon-delete"></i></el-button>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="current"
          :page-sizes="[10, 20, 30, 40]"
          :page-size="size"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
      </el-pagination>
    </div>
  </div>
</template>

<script>
import {serverUrl} from "@/config/config";

export default {
  name: "File",
  data() {
    return {
      tableData: [],
      total: 0,
      current: 1,
      size: 10,
      name: '',
      multipleSelection: [],
      url: serverUrl
    }
  },
  created() {
    this.load()
  },
  methods: {
    load() {
      this.request.get("/file/page", {
        params: {
          current:this.current,
          size:this.size,
          name:this.name
        }
      }).then(res => {
        this.tableData = res.records
        this.total = res.total
      })
    },
    reset() {
      this.name=""
      this.load()
    },
    handleSizeChange(size) {
      this.size=size
      this.load()
    },
    handleCurrentChange(current) {
      this.current=current
      this.load()
    },
    handleAdd() {
      this.dialogFormVisible=true
      this.form={}
    },
    changeEnable(row) {
      this.request.post("/file/update", row).then(res => {
        if (res.code === 200) {
          this.$message.success("操作成功")
        } else {
          this.$message.error("操作失败")
        }
      })
    },
    handleEdit(row) {
      this.form = row
      this.dialogFormVisible=true
    },
    handleDel(id) {
      this.request.delete("/file/" + id).then(res=>{
        if (res.code === 200) {
          this.$message.success("删除成功")
          this.dialogFormVisible=false
          this.load()
        } else {
          this.$message.error("删除失败")
        }
      })
    },
    handleSelectionChange(val) {
      this.multipleSelection = val
    },
    delBatch() {
      let ids = this.multipleSelection.map(v => v.id) // [1,2,3]
      this.request.post("/file/del/batch", ids).then(res=>{
        if (res.code==='200') {
          this.$message.success("批量删除成功")
          this.load()
        } else {
          this.$message.error("批量删除失败")
        }
      })
    },
    handleFileUploadSuccess(res) {
      this.$message.success("上传成功")
      this.load()
    },
    download(url) {
      window.open(url)
    }
  }
}
</script>

<style scoped>

</style>